摘要
以第37届全国中学生物理竞赛预赛第12题为例,分析题目的考查点,展示题目原解,依据不同物理原理和方法求解该竞赛题,帮助学生学习领会同一问题分别运用牛顿运动定律、图像法、动能定理、动量定理进行求解的思路和方法,培养和提高学生解决问题的能力,培养学生的科学思维。
Taking the 12th question of the 37th National Physics Competition for Middle School Students as an example,this study analyzes the examination points of the question,displays the original solution of the question,solves the competition question based on different physics principles and methods,helps students learn and understand the ideas and methods of using Newton's laws of motion,image method,kinetic energy theorem,and momentum theorem to solve the same problem,cultivates and improves students'problem-solving ability,and cultivates their scientific thinking.
作者
李彦琦
王智秀
白雪
郑勤红
Li Yanqi;Wang Zhixiu;Bai Xue;Zheng Qinhong(College of Physics and Electronic Information,Yunnan Normal University,YunnanKunming 650500)
出处
《科技风》
2023年第20期125-128,共4页
基金
教育部教师队伍建设示范项目“4+2卓越中学教师培养模式”(编号:06-156-PY)。
关键词
图像法
动能定理
动量定理
image method
Kinetic energy theorem
Momentum theorem
